tsan: prepare for migration to new memory_order enum values (ABI compatible)

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165107 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Transforms/Instrumentation/ThreadSanitizer.cpp b/lib/Transforms/Instrumentation/ThreadSanitizer.cpp
index 17b7775434cb7e36ee60f0f8c93f9a362c7b41c4..9ad86f4976d8a826015071a57e361ff791671fde 100644 (file)
--- a/lib/Transforms/Instrumentation/ThreadSanitizer.cpp
+++ b/lib/Transforms/Instrumentation/ThreadSanitizer.cpp
@@ -350,7 +350,8 @@ static ConstantInt *createOrdering(IRBuilder<> *IRB, AtomicOrdering ord) {
     case AcquireRelease:         v = 1 << 4; break;
     case SequentiallyConsistent: v = 1 << 5; break;
   }
-  return IRB->getInt32(v);
+  // +100500 is temporal to migrate to new enum values.
+  return IRB->getInt32(v + 100500);
 }
 
 bool ThreadSanitizer::instrumentAtomic(Instruction *I) {